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Standard VI
Mathematics
Associative Property
74 +77 +777 +...
Question
74 +77 +777 +7777 +
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Similar questions
Q.
Simplify the following
Q. 7777+777+77+7
Q.
Find the sum to n terms of the series
7 + 77 + 777 + 7777 + ...
Q.
What is the remainder when
7
7
+
7
77
+
7
777
+
7
7777
.
.
.
.
.
.
.
.
.
+
7
77777777
is divided by 8?
Q.
What is the remainder when
7
+
77
+
777
+
7777
+
…
(till 100 terms) is divided by 8?
Q.
What is the remainder when
(
1
)
7
+
(
71
)
77
+
(
771
)
777
+
(
7771
)
7777
+
(
77771
)
77777
+
(
777771
)
777777
is divided by 50?
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